CATALOGO DEI PRODOTTI DELLA RICERCA
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EnglishThe penetration of ciprofloxacin in pancreatic juice was investigated in 5 patients with pancreatic fistula. The drug was administered as a single oral dose of 500 mg after which serial samples of pancreatic juice and serum were collected for ciprofloxacin assay. The following pharmacokinetic parameters (mean +/- SD) were estimated from the serum level versus time curves: clearance 11.51 +/- 2.85 (ml/min/kg); Vd area 3.08 +/- 1.20 ml/kg; terminal half-life 3.10 +/- 0.92 h; mean residence time 5.64 +/- 1.40 h. Ciprofloxacin serum levels declined rapidly after the third hour, whereas concentrations in pancreatic juice remained elevated (above 1 mg/1) for nearly 12 h. The pancreatic juice/serum ciprofloxacin concentration ratio increased gradually fom 0.63 +/- 0.45 after 0.5 h to 6.18 +/- 4.59 after 12 h (mean +/- SD). Our data indicate that while the drug elimination half-life from the serum is short, the time-course of ciprofloxacin levels in the pancreatic juice conforms to a much slower disappearance rate. In particular, the ciprofloxacin levels achieved in pancreatic juice are constantly greater than the MICs of the bacteria generally responsible for pancreatic infections.
| Titolo: | Ciprofloxacin penetration in pancreatic juice |
| Autori: | |
| Data di pubblicazione: | 1987 |
| Rivista: | |
| Abstract: | The penetration of ciprofloxacin in pancreatic juice was investigated in 5 patients with pancreatic fistula. The drug was administered as a single oral dose of 500 mg after which serial samples of pancreatic juice and serum were collected for ciprofloxacin assay. The following pharmacokinetic parameters (mean +/- SD) were estimated from the serum level versus time curves: clearance 11.51 +/- 2.85 (ml/min/kg); Vd area 3.08 +/- 1.20 ml/kg; terminal half-life 3.10 +/- 0.92 h; mean residence time 5.64 +/- 1.40 h. Ciprofloxacin serum levels declined rapidly after the third hour, whereas concentrations in pancreatic juice remained elevated (above 1 mg/1) for nearly 12 h. The pancreatic juice/serum ciprofloxacin concentration ratio increased gradually fom 0.63 +/- 0.45 after 0.5 h to 6.18 +/- 4.59 after 12 h (mean +/- SD). Our data indicate that while the drug elimination half-life from the serum is short, the time-course of ciprofloxacin levels in the pancreatic juice conforms to a much slower disappearance rate. In particular, the ciprofloxacin levels achieved in pancreatic juice are constantly greater than the MICs of the bacteria generally responsible for pancreatic infections. |
| Handle: | http://hdl.handle.net/11562/4921 |
| Appare nelle tipologie: | 01.01 Articolo in Rivista |
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